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Intelight ESB interior (yellow section)
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LED array lit 70% of the LEDs, 30% programmed to be off. The power supply circuit board on the left. The circuit board on the right serves three purposes: One, holds the WI-FI modem to communicate with a laptop or PDA/Smartphone to program the signal. Two, it holds the photocell to dim/brighten the signal based on outside conditions. Three, it has built in diagnostics that record LED activity and monitor it for failures. That information can then be sent to the laptop for reporting information.
Definitely the most high tech signal head made.
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